[INFO] cloning repository https://github.com/BeautifulTovarisch/tomlato
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BeautifulTovarisch/tomlato" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBeautifulTovarisch%2Ftomlato"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBeautifulTovarisch%2Ftomlato'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8625351dbdb4fc064c8eacbf0172cc07478cf538
[INFO] checking BeautifulTovarisch/tomlato against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBeautifulTovarisch%2Ftomlato" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BeautifulTovarisch/tomlato on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/BeautifulTovarisch/tomlato
[INFO] finished tweaking git repo https://github.com/BeautifulTovarisch/tomlato
[INFO] tweaked toml for git repo https://github.com/BeautifulTovarisch/tomlato written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/BeautifulTovarisch/tomlato already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 5fe14ec76099470adf8033106e2b638b8562c4d138ae5726ed3b527b69c99b31
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "5fe14ec76099470adf8033106e2b638b8562c4d138ae5726ed3b527b69c99b31"`
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]    Compiling syn v0.15.24
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking term_size v0.3.1
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]    Compiling structopt-derive v0.2.14
[INFO] [stderr]     Checking structopt v0.2.14
[INFO] [stderr]     Checking tomlato v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::process`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::process;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tokenize`
[INFO] [stderr]  --> src/main.rs:7:21
[INFO] [stderr]   |
[INFO] [stderr] 7 | use crate::lexer::{ tokenize };
[INFO] [stderr]   |                     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]   --> src/main.rs:16:15
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let Arg { path } = Arg::from_args();
[INFO] [stderr]    |               ^^^^ help: try ignoring the field: `path: _`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `literal`
[INFO] [stderr]   --> src/lexer/mod.rs:89:9
[INFO] [stderr]    |
[INFO] [stderr] 89 |     let literal: Vec<char> = characters
[INFO] [stderr]    |         ^^^^^^^ help: consider prefixing with an underscore: `_literal`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::process`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::process;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tokenize`
[INFO] [stderr]  --> src/main.rs:7:21
[INFO] [stderr]   |
[INFO] [stderr] 7 | use crate::lexer::{ tokenize };
[INFO] [stderr]   |                     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Dot`
[INFO] [stderr]  --> src/lexer/mod.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     Dot,
[INFO] [stderr]   |     ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Space`
[INFO] [stderr]  --> src/lexer/mod.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Space,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Equals`
[INFO] [stderr]  --> src/lexer/mod.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     Equals,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LeftBrace`
[INFO] [stderr]  --> src/lexer/mod.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     LeftBrace,
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `RightBrace`
[INFO] [stderr]  --> src/lexer/mod.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     RightBrace,
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `DoubleQuote`
[INFO] [stderr]  --> src/lexer/mod.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     DoubleQuote,
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SingleQuote`
[INFO] [stderr]   --> src/lexer/mod.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     SingleQuote,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LeftBracket`
[INFO] [stderr]   --> src/lexer/mod.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     LeftBracket,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `RightBracket`
[INFO] [stderr]   --> src/lexer/mod.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     RightBracket,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Tab`
[INFO] [stderr]   --> src/lexer/mod.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     Tab,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LineFeed`
[INFO] [stderr]   --> src/lexer/mod.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     LineFeed,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `FormFeed`
[INFO] [stderr]   --> src/lexer/mod.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     FormFeed,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Backspace`
[INFO] [stderr]   --> src/lexer/mod.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     Backspace,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Backslash`
[INFO] [stderr]   --> src/lexer/mod.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     Backslash,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `StringLiteral`
[INFO] [stderr]   --> src/lexer/mod.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     StringLiteral( String ),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NumberLiteral`
[INFO] [stderr]   --> src/lexer/mod.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     NumberLiteral,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Identifier`
[INFO] [stderr]   --> src/lexer/mod.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     Identifier( String ),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `EOF`
[INFO] [stderr]   --> src/lexer/mod.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     EOF
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `valid_in_identifier`
[INFO] [stderr]   --> src/lexer/mod.rs:55:1
[INFO] [stderr]    |
[INFO] [stderr] 55 | fn valid_in_identifier( character: char ) -> bool {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `scan_identifier`
[INFO] [stderr]   --> src/lexer/mod.rs:64:1
[INFO] [stderr]    |
[INFO] [stderr] 64 | / fn scan_identifier<I>( characters: &mut I ) -> Vec<Grammar>
[INFO] [stderr] 65 | |     where I: Iterator<Item = char>
[INFO] [stderr] 66 | | {
[INFO] [stderr] 67 | |     let mut tokens: Vec<Grammar> = Vec::with_capacity( 2 );
[INFO] [stderr] ...  |
[INFO] [stderr] 81 | |     tokens
[INFO] [stderr] 82 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `scan_string_literal`
[INFO] [stderr]   --> src/lexer/mod.rs:85:1
[INFO] [stderr]    |
[INFO] [stderr] 85 | / fn scan_string_literal<I>( end_char: char, characters: &mut I ) -> Grammar
[INFO] [stderr] 86 | |     where I: Iterator<Item = char>
[INFO] [stderr] 87 | | {
[INFO] [stderr] 88 | |
[INFO] [stderr] ...  |
[INFO] [stderr] 98 | |     Grammar::StringLiteral( "".to_string() )
[INFO] [stderr] 99 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `characterize`
[INFO] [stderr]    --> src/lexer/mod.rs:102:1
[INFO] [stderr]     |
[INFO] [stderr] 102 | fn characterize( input: char ) -> Grammar {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `tokenize`
[INFO] [stderr]    --> src/lexer/mod.rs:122:1
[INFO] [stderr]     |
[INFO] [stderr] 122 | pub fn tokenize( toml: &str ) -> Vec<Grammar> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]   --> src/main.rs:16:15
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let Arg { path } = Arg::from_args();
[INFO] [stderr]    |               ^^^^ help: try ignoring the field: `path: _`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `literal`
[INFO] [stderr]   --> src/lexer/mod.rs:89:9
[INFO] [stderr]    |
[INFO] [stderr] 89 |     let literal: Vec<char> = characters
[INFO] [stderr]    |         ^^^^^^^ help: consider prefixing with an underscore: `_literal`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NumberLiteral`
[INFO] [stderr]   --> src/lexer/mod.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     NumberLiteral,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.21s
[INFO] running `"docker" "inspect" "5fe14ec76099470adf8033106e2b638b8562c4d138ae5726ed3b527b69c99b31"`
[INFO] running `"docker" "rm" "-f" "5fe14ec76099470adf8033106e2b638b8562c4d138ae5726ed3b527b69c99b31"`
[INFO] [stdout] 5fe14ec76099470adf8033106e2b638b8562c4d138ae5726ed3b527b69c99b31